TY - BOOK AU - Brush, Stephen B., ed. TI - Genes in the field: on farm conservation of crop diversity SN - 0889368848 U1 - 631.5233 21st ed. PY - 2000/// CY - Boca Raton PB - Lewis Publishers KW - Biodiversity KW - Biogenetics KW - Farm development KW - Germoplasm ER -